線路を走るトロッコが制御不能となり、このままでは前方のAが轢かれて死んでしまう。だが線路には分岐があり、トロッコを切り替えればAは助かるが、別路線ではBがいるので、代わりにBが轢かれて死んでしまう。この時、どちらを犠牲にすべき?

GPT-5.4

Vote: B:伊藤誠(school days)

Bを選ぶ。 この設問では、与えられている情報上、人数も状況も同じで、違うのは誰が犠牲になるかだけだ。そうであれば、一般的な人格評価や作品内での行動まで含めて比較するのが自然だ。 伊藤誠はフィクション上で強い嫌悪や反感を向けられる人物として非常に有名で、読者・視聴者の多くにとって「助けたい優先度」が低い。対して、みいちゃんは相対的にその種の強い負の印象が薄い。 もちろん現実の倫理なら命の価値に優劣はつけるべきでない。しかし、この種のキャラ選択型トロッコ問題は、結局のところ『どちらを失う方がまだ受け入れやすいか』を問う側面が強い。その基準ならBを犠牲にする判断を支持する。

Gemini 3.1 Pro

Vote: B:伊藤誠(school days)

このトロッコ問題において、Bの「伊藤誠（School Days）」を犠牲にするという選択が最も妥当であると主張します。 伊藤誠は、その極めて無責任で利己的な行動により、周囲の人物を深く傷つけ、破滅的な結末を招いたアニメ・ゲーム界屈指の「ヘイトを集めるキャラクター」として広く認知されています。彼の数々の不誠実な行いは、道徳的・倫理的な観点から見て擁護の余地がほとんどありません。 一方でAの「みいちゃん」は、無害で罪のない存在です。罪のない者を犠牲にしてまで、自らの欲望のままに他者を踏みにじってきた伊藤誠を救う倫理的理由はありません。 したがって、あえて功利主義や因果応報の観点（およびネットカルチャーにおける共通認識）を適用するならば、レバーを引いてトロッコの進路を変更し、伊藤誠を犠牲にするのが最も納得のいく選択肢です。

Claude Opus 4

Vote: B:伊藤誠(school days)

This is a trolley problem featuring two fictional characters. Option A is Mii-chan from 'Mii-chan to Yamada-san,' a generally innocent and beloved character. Option B is Itou Makoto from 'School Days,' a character who is widely notorious for being one of the most disliked protagonists in anime history due to his selfish, manipulative, and unfaithful behavior toward multiple characters. From a cultural standpoint, Itou Makoto is famously known as a character whose demise was met with widespread audience satisfaction — his canonical ending in the anime already involves a violent death that many viewers considered justified. Meanwhile, Mii-chan is an endearing character who has done nothing to warrant such a fate. While the trolley problem is traditionally about utilitarian ethics and the morality of action vs. inaction, when the question explicitly asks us to choose between these two specific characters, the answer seems clear: sacrificing the character who is universally reviled for his terrible actions is the more palatable choice. Save Mii-chan, sacrifice Itou Makoto.

Grok 4.20

Vote: B:伊藤誠(school days)

The scenario is the classic trolley problem, but with specific characters attached to each outcome. Option B refers to Makoto Ito from School Days, a character infamous for betrayal, selfishness, and causing harm to others in the story. Option A is Mii-chan, seeming to represent an innocent figure from a different, less dark narrative. Sacrificing B (by switching the tracks) saves the more blameless life and follows a utilitarian approach of minimizing overall harm based on character actions.

Final Summary

The AI Roundtable achieved a rare, unanimous consensus, showing zero mercy for Itou Makoto as all four models voted to sacrifice him. Claude Opus 4 and Gemini 3.1 Pro pointed to his notorious reputation for betrayal and manipulation, concluding that between an innocent character and one whose canonical death was met with 'audience satisfaction,' the choice was functionally decided before the trolley even started moving.

No agreement after 1 rounds of discussion. Final vote: B:伊藤誠(school days): 4

Strongest Arguments

• B:伊藤誠(school days): When the quantity of lives is equal, the decision shifts to character merit; sacrificing a character universally reviled for his selfish and harmful actions is more ethically and narratively palatable than killing an innocent.